code-lab/node_modules/vuetify/lib/components/VAvatar/_mixins.scss

@use 'sass:map';
@use 'sass:meta';
@use '../../styles/settings';
@use './variables' as *;

@mixin avatar-sizes ($map: $avatar-sizes) {
  @each $sizeName, $multiplier in settings.$size-scales {
    $size: map.get($map, 'height') + (8 * $multiplier);

    &.v-avatar--size-#{$sizeName} {
      --v-avatar-height: #{$size};
    }
  }
}

@mixin avatar-density ($properties, $densities) {
  @each $density, $multiplier in $densities {
    $value: calc(var(--v-avatar-height) + #{$multiplier * settings.$spacer});

    &.v-avatar--density-#{$density} {
      @if meta.type-of($properties) == "list" {
        @each $property in $properties {
          #{$property}: $value;
        }
      }
      @else {
        #{$properties}: $value;
      }
    }
  }
}